118545361 has 4 divisors (see below), whose sum is σ = 129322224. Its totient is φ = 107768500.

The previous prime is 118545353. The next prime is 118545377. The reversal of 118545361 is 163545811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118545361 - 2³ = 118545353 is a prime.

It is a super-2 number, since 2×118545361² = 28106005229240642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118545061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5388415 + ... + 5388436.

It is an arithmetic number, because the mean of its divisors is an integer number (32330556).

Almost surely, 2^118545361 is an apocalyptic number.

118545361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

118545361 is a deficient number, since it is larger than the sum of its proper divisors (10776863).

118545361 is a wasteful number, since it uses less digits than its factorization.

118545361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10776862.

The product of its digits is 14400, while the sum is 34.

The square root of 118545361 is about 10887.8538289233. The cubic root of 118545361 is about 491.2412802247.

The spelling of 118545361 in words is "one hundred eighteen million, five hundred forty-five thousand, three hundred sixty-one".